Athena Piston Kit - 249cc 2-stroke Engine
Athena Piston Kit - 249cc 2-stroke Engine
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your 2-stroke engine with the Athena Piston Kit, engineered for superior performance and durability. This kit provides everything you need for a reliable piston replacement, ensuring optimal engine function and longevity. Experience improved heat resistance and tighter tolerances for maximum power.
Description
The Athena Piston Kit is designed for 249cc 2-stroke engines, featuring a domed piston crafted from high-quality 4032 aluminum alloy. This material includes 3% copper for enhanced heat resistance, preventing premature wear and ensuring consistent performance even under demanding conditions. Forged with a precision heat-treatment process, the piston maintains incredibly tight production tolerances of just 0.01 mm. The forged piston tooling creates a lightweight yet robust component, maximizing engine efficiency and responsiveness. This standard size B piston is perfect for those looking to restore or enhance their engine's performance, with a stock compression ratio that maintains reliable operation and easy installation. With this kit, you get an antiwear-coated piston, rings, pin, and circlips, providing a complete solution for your piston replacement needs.
Features & highlights
- Forged 4032 aluminum alloy construction with 3% copper for superior heat resistance.
- Precision heat-treated for exceptional durability and minimal tolerances (0.01 mm).
- Lightweight design maximizes engine efficiency and responsiveness.
- Antiwear coating on the piston reduces friction and extends service life.
- Complete kit includes piston, rings, pin, and circlips for a hassle-free installation.
- Designed for 249cc 2-stroke engines, ensuring a perfect fit and optimal performance.
Technical specifications
- Brand: Athena
- Part Number: S4F06640019B
- Bore Size: 66.35 mm
- Compression Ratio: Stock
- Displacement: 249 cc
- Engine Type: 2-Stroke
- Piston Head Shape: Domed
- Piston Material: 4032 Aluminum Alloy
- Piston Size: Standard Size B
Important to know
Please ensure compatibility with your specific engine model before installation. Professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
ATHENA
S4F06640019B
Piston Kit
66,35 mm
Stock
249 cc
4032 Aluminum Alloy
Standard Size B
2-Stroke
Domed
B
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

